Short-day raising method for containerized seedlings of Chinese red pine

A technology of container seedlings and sunshine, applied in gardening methods, botanical equipment and methods, gardening, etc., can solve problems such as waste of manpower and material resources, affecting summer afforestation effects, and economic losses

Inactive Publication Date: 2013-04-03
BEIJING FORESTRY UNIVERSITY
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Problems solved by technology

But at this time, the seedlings are in the fast-growing period, and the young top shoots are easily damaged by mechanical damage and broken during the process of seedling raising, transportation, and afforestation, which seriously affects the summer afforestation effect, causes waste of manpower and material resources, and causes great economic losses.

Method used

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  • Short-day raising method for containerized seedlings of Chinese red pine

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Embodiment Construction

[0010] (1) Standardized seedling cultivation

[0011] 1) Seed treatment On March 17, soak the pine seeds with 0.5% potassium permanganate solution for 2 hours, rinse them with clean water for 3 times, and then soak them in warm water at about 50°C. The water surface should be 10cm higher than the seeds above. On March 18, fish out the empty and deflated seeds from the water surface and discard them. Take out the seeds in the water, and randomly take out 200 seeds for use to measure their biomass and initial nutrient content; spread the rest of the seeds on a tray, cover with wet gauze, and place them in an incubator at about 20°C Germination. During the germination process, turn the seeds up and down every 1-2 days, and keep them moist with water.

[0012] 2) Container selection Select a plastic film container with an upper diameter of 10 cm and a depth of 10 cm.

[0013] 3) Substrate disinfection and filling On March 19, mix peat and vermiculite at a ratio of 3:1 (v / v), a...

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Abstract

The invention mainly relates to a short-day raising method for containerized seedlings of Chinese red pine, which belongs to techniques of raising forest containerized seedlings. Drought conditions prevail in the northern areas of China in spring, forest survival rate is low in spring, and forestation is more inclined to rainy summer in terms of production, but in summer, seedlings grow fast, young tips are easy to break in lifting, transport and forestation and the forestation effect in summer is badly affected. The short-day raising method determines best short-day treatment of one-year containerized seedlings of Chinese red pine: namely performing short-day treatment of the containerized seedlings of Chinese red pine from July 24 to August 14 before summer forestation; allowing sun exposure for 10h, spreading a sunshade at the outer top of a greenhouse to shade the seedlings from light at 18:00 each day, and removing the sunshade at 8:00 the next day. Seedling quality and summer forestation effect are improved, seedling raising cycle is shortened, turnover rate of the greenhouse for seedling raising is increased, raising cost is lowered, annual seedling raising and forestation are achieved, and the method has bright application outlook.

Description

1. Technical field [0001] The invention relates to a seedling raising method for container seedlings, in particular to a short-day treatment seedling raising technology for Chinese pine container seedlings. 2. Background technology [0002] Spring is generally dry in northern my country, especially in recent years, and the survival rate of spring afforestation is low. In terms of production, afforestation is more chosen to be carried out in rainy summer. But at this time, the seedlings are in the fast-growing period, and the young top shoots are easy to be broken by mechanical damage during the process of raising seedlings, transportation, and afforestation, which seriously affects the summer afforestation effect, causes waste of manpower and material resources, and causes great economic losses. Some high-latitude countries in northern Europe have successfully solved this problem of spruce seedlings by using short-day treatment technology. That is, 2-3 weeks before affores...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G7/06
Inventor 蒋乐李国雷刘勇林平祝燕史文辉陈闯奚旺王巍伟刘佳嘉
Owner BEIJING FORESTRY UNIVERSITY
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